package main

import "fmt"

// go run . 003020600900305001001806400008102900700000008006708200002609500800203009005010300

func main() {
	/*
		g := solver.Grid{}
		err := g.CheckInput()
		if err != nil {
			os.Exit(1)
		}
		g.Input(os.Args[1])
		g.Init()
		g.PrintGrid()
	*/
	fmt.Println(4 ^ 3)
}
